Finding the Fourth Proportional to 1,360.45, 1,876.76 and 835.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.45 : 1,876.76 = 835.57 : x
2. Step 2: Convert to fraction form
   1,360.45/1,876.76 = 835.57/x
3. Step 3: Cross multiply
   1,360.45x = 1,876.76 × 835.57
4. Step 4: Simplify right side
   1,360.45x = 1,568,158.62
5. Step 5: Solve for x
   x = 1,568,158.62/1,360.45
6. Step 6: Final answer
   x = 1,152.68